Re: [PATCH net] net: dsa: remove redundant netdev_lock_ops() from conduit ethtool ops

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Tue, 14 Apr 2026 16:10:35 -0700 you wrote:
> DSA replaces the conduit (master) device's ethtool_ops with its own
> wrappers that aggregate stats from both the conduit and DSA switch
> ports. Taking the lock again inside the DSA wrappers causes a deadlock.
> 
> Stumbled upon this when booting qemu with fbnic and CONFIG_NET_DSA_LOOP=y
> (which looks like some kind of testing device that auto-populates the ports
> of eth0). `ethtool -i` is enough to deadlock. This means we have basically zero
> coverage for DSA stuff with real ops locked devs.
> 
> [...]

Here is the summary with links:
  - [net] net: dsa: remove redundant netdev_lock_ops() from conduit ethtool ops
    https://git.kernel.org/netdev/net/c/0f99e0c3e19b

You are awesome, thank you!
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